Home / 95,991.36-143,986.43-51,639

Finding the Fourth Proportional to 95,991.36, 143,986.43 and 51,639

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Solution

The fourth proportional to 95,991.36, 143,986.43 and 51,639 is: 77,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,991.36 : 143,986.43 = 51,639 : x
  2. Step 2: Convert to fraction form
    95,991.36/143,986.43 = 51,639/x
  3. Step 3: Cross multiply
    95,991.36x = 143,986.43 × 51,639
  4. Step 4: Simplify right side
    95,991.36x = 7,435,315,000.58
  5. Step 5: Solve for x
    x = 7,435,315,000.58/95,991.36
  6. Step 6: Final answer
    x = 77,458.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.